The HTML Definition element (<dfn>) is used to indicate the term being defined within the context of a definition phrase or sentence.

The HTML Definition element (<dfn>) is used to indicate the term being defined within the context of a definition phrase or sentence.

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Graece donan, Latine voluptatem vocant. Confecta res esset. Duo Reges: constructio interrete. Scrupulum, inquam, abeunti;

Negare non possum. Dat enim intervalla et relaxat. Quonam modo? Equidem e Cn. Quid de Pythagora? In schola desinis.

Ubi ut eam caperet aut quando? Cur iustitia laudatur? Aperiendum est igitur, quid sit voluptas; Quid enim? Non est igitur voluptas bonum. Urgent tamen et nihil remittunt. Quid enim possumus hoc agere divinius?

Because of all of that, we decided to use the <dfn> element for this project.

The HST is among the most productive scientific instruments ever constructed. It has been in orbit for over 20 years, scanning the sky and returning data and photographs of unprecedented quality and detail.

Indeed, the HST has arguably done more to advance science than any device ever built.